Universal Digital Battery Tester Universal Digital Battery Tester displays the charge of your battery instantly Large easy to read LCD display can be used to test AA, AAA, C, D, N, 9V, CR123A, CR2, button cells (3V & 1.5V) and digital camera batteries (2CR5, CR-P2 & CR-V3) safely recharges alkaline, NiMH and NiCad rechargeable batteries Tester measures .75 x 3.375 x 4.5 inches.